<h1>
  {{title}}
</h1>
<!--<div style="margin: 20px">
  <on-changes-parent [test]='title'></on-changes-parent>
</div>-->
<!--<div style="margin: 20px">
  <spy-parent></spy-parent>
</div>-->
<!--<div style="margin: 20px">
  <do-check-parent></do-check-parent>
</div>-->
<!--<div style="margin: 20px">
  <after-content-parent></after-content-parent>
</div>-->
<!--<div style="margin: 20px">
  <after-view-parent></after-view-parent>
</div>-->
<div style="margin: 20px">
  <on-computing displayName='hhhhhh'></on-computing>
</div>
 